:root {
    --dac-primary: #ff6b6b;
    --dac-secondary: #4ecdc4;
    --dac-accent: #ffe66d;
    --dac-dark: #2d3436;
    --dac-light: #f9f9f9;
    --dac-white: rgba(255, 255, 255, 0.85);
    --dac-glass-border: rgba(255, 255, 255, 0.4);
    --dac-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    --dac-radius: 24px;
    --dac-transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.dac-calculator-container {
    max-width: 550px;
    margin: 60px auto;
    font-family: 'Outfit', 'Inter', -apple-system, sans-serif;
    color: var(--dac-dark);
    position: relative;
}

/* Background Blobs for Glassmorphism Effect */
.dac-calculator-container::before,
.dac-calculator-container::after {
    content: "";
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    z-index: -1;
    filter: blur(50px);
    opacity: 0.5;
    animation: dacBlobFloat 10s infinite alternate;
}

.dac-calculator-container::before {
    background: var(--dac-primary);
    top: -50px;
    left: -50px;
}

.dac-calculator-container::after {
    background: var(--dac-secondary);
    bottom: -50px;
    right: -50px;
    animation-delay: -5s;
}

@keyframes dacBlobFloat {
    from {
        transform: translate(0, 0) scale(1);
    }

    to {
        transform: translate(30px, 30px) scale(1.1);
    }
}

.dac-card {
    background: var(--dac-white);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 45px;
    border-radius: var(--dac-radius);
    box-shadow: var(--dac-shadow);
    border: 1px solid var(--dac-glass-border);
    transition: var(--dac-transition);
}

.dac-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.15);
}

.dac-card-header {
    text-align: center;
    margin-bottom: 35px;
}

.dac-card-header h2 {
    margin: 0 0 12px 0;
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--dac-primary), #ff8e8e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.dac-card-header p {
    margin: 0;
    color: #636e72;
    font-size: 16px;
    font-weight: 500;
}

.dac-form-group {
    margin-bottom: 25px;
}

.dac-form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 700;
    font-size: 15px;
    color: var(--dac-dark);
}

.dac-input-group {
    display: flex;
    gap: 12px;
}

.dac-form-group input,
.dac-form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid rgba(0, 0, 0, 0.05);
    background: rgba(255, 255, 255, 0.5);
    border-radius: 16px;
    font-size: 16px;
    transition: var(--dac-transition);
    outline: none;
    color: var(--dac-dark);
}

.dac-form-group input:focus,
.dac-form-group select:focus {
    border-color: var(--dac-primary);
    background: var(--dac-white);
    box-shadow: 0 0 0 5px rgba(255, 107, 107, 0.15);
}

.dac-submit-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--dac-primary), #ff8e8e);
    color: white;
    border: none;
    border-radius: 16px;
    font-size: 18px;
    font-weight: 800;
    cursor: pointer;
    transition: var(--dac-transition);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.dac-submit-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 25px rgba(255, 107, 107, 0.4);
}

.dac-submit-btn:active {
    transform: scale(0.98);
}

/* Loading Animation */
.dac-loading span {
    opacity: 0.7;
}

.dac-loading::after {
    content: "";
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: dacSpin 0.8s linear infinite;
}

@keyframes dacSpin {
    to {
        transform: rotate(360deg);
    }
}

/* Result Section */
.dac-result {
    margin-top: 40px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: var(--dac-radius);
    border: 1px solid var(--dac-glass-border);
    animation: dacResultPop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes dacResultPop {
    0% {
        opacity: 0;
        transform: scale(0.9);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.dac-result-header {
    text-align: center;
    margin-bottom: 25px;
}

.dac-result-label {
    font-size: 15px;
    font-weight: 600;
    color: #636e72;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#dac-human-age {
    font-size: 72px;
    font-weight: 900;
    margin: 10px 0;
    background: linear-gradient(135deg, var(--dac-primary), var(--dac-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 5px 10px rgba(0, 0, 0, 0.1));
}

.dac-result-unit {
    font-size: 24px;
    font-weight: 800;
    color: var(--dac-dark);
}

.dac-life-stage {
    text-align: center;
    margin-bottom: 30px;
}

.dac-badge {
    padding: 8px 25px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 800;
    display: inline-block;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--dac-transition);
}

.stage-puppy {
    background: #ffe66d;
    color: #967e00;
}

.stage-young-adult {
    background: #4ecdc4;
    color: white;
}

.stage-mature-adult {
    background: #ff6b6b;
    color: white;
}

.stage-senior {
    background: #a29bfe;
    color: white;
}

.dac-tips-container {
    background: rgba(255, 255, 255, 0.6);
    padding: 25px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.dac-tips-container h4 {
    margin: 0 0 15px 0;
    font-size: 18px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dac-tips-container h4::before {
    content: "💡";
}

.dac-tips-container ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.dac-tips-container li {
    font-size: 15px;
    color: #2d3436;
    margin-bottom: 12px;
    padding-left: 28px;
    position: relative;
    line-height: 1.5;
}

.dac-tips-container li::before {
    content: "🐾";
    position: absolute;
    left: 0;
    font-size: 14px;
}

/* Social Share */
.dac-social-share {
    margin-top: 25px;
    text-align: center;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 20px;
}

.dac-social-share p {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #636e72;
}

.dac-share-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.dac-share-btn {
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none !important;
    transition: var(--dac-transition);
}

.dac-share-btn.facebook {
    background: #1877F2;
    color: white;
}

.dac-share-btn.twitter {
    background: #000000;
    color: white;
}

.dac-share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    opacity: 0.9;
}

/* SEO Content */
.dac-seo-content {
    margin-top: 50px;
    background: var(--dac-white);
    padding: 40px;
    border-radius: var(--dac-radius);
    box-shadow: var(--dac-shadow);
    line-height: 1.8;
}

.dac-seo-content h3 {
    margin: 0 0 20px 0;
    font-size: 24px;
    color: var(--dac-dark);
}

.dac-seo-content h4 {
    margin: 30px 0 15px 0;
    font-size: 20px;
}

.dac-seo-content p {
    margin-bottom: 15px;
    color: #444;
}

/* Responsive */
@media (max-width: 580px) {
    .dac-calculator-container {
        margin: 30px auto;
    }

    .dac-card {
        padding: 30px 20px;
    }

    .dac-card-header h2 {
        font-size: 26px;
    }

    #dac-human-age {
        font-size: 56px;
    }

    .dac-input-group {
        flex-direction: column;
    }
}

/* Responsive */
@media (max-width: 480px) {
    .dac-card {
        padding: 10px;
    }

    #dac-human-age {
        font-size: 48px;
    }

    .dac-result {
        padding: 10px;
    }

    .dac-result-inner>div {
        padding: 0;
    }

    .dac-tips-container {
        padding: 0;
    }

    .dac-seo-content {
        padding: 10px;
    }
}